Portable spectrophotometer



FIG. 1 is a top front and right side perspective view of a portable spectrophotometer, showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirror image;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a portable spectrophotometer, as shown and described. 